a-do aaaa aaad aaae aaar aada aade aadu aaea aaoe aaoo aara aard aare aaro aaru adaa adad adae adao adar adda addd adde addo addr addu adea adee adeo ader adod adoe adoo ador adra adre adro adua adue adur aede aeer aer- aera aerd aero aoeu aora arad arae arar arau arda arde ardo ardu area ared aree areo areu aroa arod aroe aroo aror arr- arra arre arro arrr arru arua arud arue auaa aude audo auer aur- aura aurd aure auro daad daae daar daau dada dade dado dadu daer daeu daou dara dard dare daro darr daru daud daue daur dddd ddre dead deae dear deau deda dedd dede dedo dedu deed deer deor der- dera dere dero derr deua deue deur doae doar dod- doda dodd dode dodo doea doer dood door dora dord dore doro dorr doru doud doue dour draa drad drar drau drda drea dred dree drod drou drra drua drue druu duaa duad duar duda dudd dude dudo dudu duer duo- dura dure duro duru duur eada eadd eara eard eare earo edad edar edda edde eddo ede- edea eder edod edou edra edru edur eede eedu eeea eeee eera eero eode eora eore erad erau erda erde ered erer erod eroe eroo erra erre erro erua erur eude euer eur- eura eure euro o-eo oaau oade oaer oara oare odda oddd odea oded odeo oder odoo odor odou odra odur oedo oera oere ooaa ooda ooer oooo oora oord oore orad orae orao orar orda orde ordo ordu ore- orea ored oreo orer oro- oroe oror orra orro ouad oude ouea oued ouer our- oura oure ouro ouu- raad rada radd rade rado radr radu raed raer rara rare raro raua raud raue rder rea- read reae reao rear reau reda redd rede redo redr redu reed reod reou rera rerd rere rero reru reue reuu road roar roda rodd rode rodo roea roed roer rood roor rora rore roro roru roua roud roue rrad rred rrrr ruad ruda rudd rude rudo rued ruer rura rurd rure ruro ruru ruud uaru uaua udaa udad udar udau udea uder udoo udra ueda uor- uore urad urao urau urda urde urdu ure- urea ured uro- uroa uroo urra urre urur uuuu